Home / 5,166.76-7,132.31-3,490.44

Finding the Fourth Proportional to 5,166.76, 7,132.31 and 3,490.44

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Solution

The fourth proportional to 5,166.76, 7,132.31 and 3,490.44 is: 4,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.76 : 7,132.31 = 3,490.44 : x
  2. Step 2: Convert to fraction form
    5,166.76/7,132.31 = 3,490.44/x
  3. Step 3: Cross multiply
    5,166.76x = 7,132.31 × 3,490.44
  4. Step 4: Simplify right side
    5,166.76x = 24,894,900.12
  5. Step 5: Solve for x
    x = 24,894,900.12/5,166.76
  6. Step 6: Final answer
    x = 4,818.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.